A batch reactor is Least expensive to operate for a given rate Most suitable for very large production rate Suitable for liquid phase reactions involving small production rate Suitable for gas-phase reactions on commercial scale TRUE ANSWER : ? YOUR ANSWER : ?
Kinetics of a solid catalysed reaction can best be studied in a __________ reactor. Plug-flow None of these Batch Mixed TRUE ANSWER : ? YOUR ANSWER : ?
The size of plug flow reactor (PFR) for all positive reaction orders and for any given duty, is __________ that of mixed reactor. Equal to Unpredictable from the data Smaller than Greater than TRUE ANSWER : ? YOUR ANSWER : ?
When a catalyst increases the rate of chemical reaction, the rate constant Decreases Becomes infinite Remains constant Increases TRUE ANSWER : ? YOUR ANSWER : ?
In case of physical adsorption, the heat of adsorption is of the order of __________ kcal/kg.mole. 100000 100 1000 10000 TRUE ANSWER : ? YOUR ANSWER : ?
A gaseous reactant is introduced in a mixed reactor of 3 litres volume at the rate of 1 litre/second. The space time is __________ seconds. 1 32 43833 3 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following does not produce a change in the value of rate constant of a reaction? Concentration and catalyst None of these Temperature Pressure TRUE ANSWER : ? YOUR ANSWER : ?
For a zero order reaction, the concentration of product increases with the Increase in initial concentration Increase of reaction time Decrease in total pressure Total pressure TRUE ANSWER : ? YOUR ANSWER : ?
Carbon particles accummulated on the catalyst used in the gas oil cracking lies in the category of __________ poison. Deposited Selectivity Stability Chemisorbed TRUE ANSWER : ? YOUR ANSWER : ?